From 9ce7deff92e89b1807d0968c0b319d26361a72a6 Mon Sep 17 00:00:00 2001 From: Mat Martineau Date: Tue, 3 Nov 2020 11:05:08 -0800 Subject: [PATCH] docs: networking: mptcp: Add MPTCP sysctl entries Describe the two MPTCP sysctls, what the values mean, and the default settings. Acked-by: Geliang Tang Signed-off-by: Mat Martineau Reviewed-by: Matthieu Baerts Signed-off-by: Jakub Kicinski --- Documentation/networking/index.rst | 1 + Documentation/networking/mptcp-sysctl.rst | 26 ++++++++++++++++++++++++++ MAINTAINERS | 1 + 3 files changed, 28 insertions(+) create mode 100644 Documentation/networking/mptcp-sysctl.rst diff --git a/Documentation/networking/index.rst b/Documentation/networking/index.rst index 63ef386afd0a..70c71c9206e2 100644 --- a/Documentation/networking/index.rst +++ b/Documentation/networking/index.rst @@ -70,6 +70,7 @@ Contents: lapb-module mac80211-injection mpls-sysctl + mptcp-sysctl multiqueue netconsole netdev-features diff --git a/Documentation/networking/mptcp-sysctl.rst b/Documentation/networking/mptcp-sysctl.rst new file mode 100644 index 000000000000..6af0196c4297 --- /dev/null +++ b/Documentation/networking/mptcp-sysctl.rst @@ -0,0 +1,26 @@ +.. SPDX-License-Identifier: GPL-2.0 + +===================== +MPTCP Sysfs variables +===================== + +/proc/sys/net/mptcp/* Variables +=============================== + +enabled - INTEGER + Control whether MPTCP sockets can be created. + + MPTCP sockets can be created if the value is nonzero. This is + a per-namespace sysctl. + + Default: 1 + +add_addr_timeout - INTEGER (seconds) + Set the timeout after which an ADD_ADDR control message will be + resent to an MPTCP peer that has not acknowledged a previous + ADD_ADDR message. + + The default value matches TCP_RTO_MAX. This is a per-namespace + sysctl. + + Default: 120 diff --git a/MAINTAINERS b/MAINTAINERS index 17f5571788c9..badaaa815aa3 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -12265,6 +12265,7 @@ L: mptcp@lists.01.org S: Maintained W: https://github.com/multipath-tcp/mptcp_net-next/wiki B: https://github.com/multipath-tcp/mptcp_net-next/issues +F: Documentation/networking/mptcp-sysctl.rst F: include/net/mptcp.h F: include/uapi/linux/mptcp.h F: net/mptcp/ -- 2.11.0